11-year-old Chan-yi is looking after his lovely younger sister So-yi, by himself ever since their mother left them to find her own future. Despite their desperate situation of being abandoned by family and neighbors, these kids try their best to carry on life. One day, a little puppy joins this small family as Chan-yi steals it from an old couple's kennel as a gift his sister's birthday.
Yoo Seung-ho
as Chan-yi
Kim Hyang-gi
as So-i
An Kil-kang
as Gang Boss
Seo Young-hwa
as Aunt
Kim Nan-hwi
as Mother
Jo Deok-jae
as Uncle
Shin Young-jin
as Female Vegetarian
Jung Min-ah
as Shi-deng